258713600

素因数分解:

$2^{11}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 666207360

約数和(自身を除く): 407493760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 163, 200, 248, 256, 310, 320, 326, 400, 496, 512, 620, 640, 652, 775, 800, 815, 992, 1024, 1240, 1280, 1304, 1550, 1600, 1630, 1984, 2048, 2480, 2560, 2608, 3100, 3200, 3260, 3968, 4075, 4960, 5053, 5120, 5216, 6200, 6400, 6520, 7936, 8150, 9920, 10106, 10240, 10432, 12400, 12800, 13040, 15872, 16300, 19840, 20212, 20864, 24800, 25265, 25600, 26080, 31744, 32600, 39680, 40424, 41728, 49600, 50530, 51200, 52160, 63488, 65200, 79360, 80848, 83456, 99200, 101060, 104320, 126325, 130400, 158720, 161696, 166912, 198400, 202120, 208640, 252650, 260800, 317440, 323392, 333824, 396800, 404240, 417280, 505300, 521600, 646784, 793600, 808480, 834560, 1010600, 1043200, 1293568, 1587200, 1616960, 1669120, 2021200, 2086400, 2587136, 3233920, 4042400, 4172800, 5174272, 6467840, 8084800, 8345600, 10348544, 12935680, 16169600, 25871360, 32339200, 51742720, 64678400, 129356800, 258713600]

約数ペア:

[(1, 258713600), (2, 129356800), (4, 64678400), (5, 51742720), (8, 32339200), (10, 25871360), (16, 16169600), (20, 12935680), (25, 10348544), (31, 8345600), (32, 8084800), (40, 6467840), (50, 5174272), (62, 4172800), (64, 4042400), (80, 3233920), (100, 2587136), (124, 2086400), (128, 2021200), (155, 1669120), (160, 1616960), (163, 1587200), (200, 1293568), (248, 1043200), (256, 1010600), (310, 834560), (320, 808480), (326, 793600), (400, 646784), (496, 521600), (512, 505300), (620, 417280), (640, 404240), (652, 396800), (775, 333824), (800, 323392), (815, 317440), (992, 260800), (1024, 252650), (1240, 208640), (1280, 202120), (1304, 198400), (1550, 166912), (1600, 161696), (1630, 158720), (1984, 130400), (2048, 126325), (2480, 104320), (2560, 101060), (2608, 99200), (3100, 83456), (3200, 80848), (3260, 79360), (3968, 65200), (4075, 63488), (4960, 52160), (5053, 51200), (5120, 50530), (5216, 49600), (6200, 41728), (6400, 40424), (6520, 39680), (7936, 32600), (8150, 31744), (9920, 26080), (10106, 25600), (10240, 25265), (10432, 24800), (12400, 20864), (12800, 20212), (13040, 19840), (15872, 16300)]